Summarization levels in CO-PA extractor

I am working on creating additional co-pa extractor. I got the requirement like below:

create the extractor for

CoArea 1100 is using summarization level 3

CoArea 1200 is using summarization level 8

CoArea 1660 is using summarization level 10

CoArea 1550 is using summarization level 20

always using the same info provider .

We are creating the additional extractor . So please any one help creating the extractor using these summarization levels .Please provide me some tips or some steps to create the additional extractor ..(Operating concern already exists)